Home / 226,087.40-311,989.15-134,210.61

Finding the Fourth Proportional to 226,087.40, 311,989.15 and 134,210.61

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Solution

The fourth proportional to 226,087.40, 311,989.15 and 134,210.61 is: 185,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,087.40 : 311,989.15 = 134,210.61 : x
  2. Step 2: Convert to fraction form
    226,087.40/311,989.15 = 134,210.61/x
  3. Step 3: Cross multiply
    226,087.40x = 311,989.15 × 134,210.61
  4. Step 4: Simplify right side
    226,087.40x = 41,872,253,799.36
  5. Step 5: Solve for x
    x = 41,872,253,799.36/226,087.40
  6. Step 6: Final answer
    x = 185,203.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.